Helite (edna)
[化] N,N'-二硝基乙二胺; 乙二硝胺; 海来特
🗣️ 情景例句
I have to meet my wife.
我得去接我太太。
Better late than never.
迟做总比不做好。
That's a good idea! Why not? Let's go.
好主意！为什么不呢？我们走吧。